Product quality is often unobservable ex-ante and consumers rely on experts' judgments, sometimes in the form of ratings or awards. Do awards affect consumers' choices or, conversely, are they conferred on the most popular products? To disentangle this issue, we use data about the most important...

There is now an extensive literature on "gift exchange" showing that when principals and agents can trade "gifts" (rewards that should not emerge in a competitive equilibrium), exchange becomes more efficient. However, it is not obvious how gift exchange should be organized if the principal's...

This high-stakes experiment investigates the effect on buyers of mandatory disclosures concerning an insurance policy's value for money (the claims ratio) and the seller's commission. These information disclosures have virtually no effect despite most buyers claiming to value such information....

In the standard neoclassical model consumers use all the available information and the demand for goods depends exclusively on preferences and prices whereas other spurious information do not play any role. In the market for books, we investigate if – in contrast to the standard model – the...

This high-stakes experiment investigates the effect on buyers of mandatory disclosures concerning an insurance policy's value for money (the claims ratio) and the seller's commission. These information disclosures have virtually no effect despite most buyers claiming to value such information....

Product quality is often unobservable ex-ante and consumers rely on experts' judgments, sometimes in the form of ratings or awards. Do awards affect consumers' choices or, conversely, are they conferred on the most popular products? To disentangle this issue, we use data about the most important...

Word-of-mouth, referral, or viral marketing is a highly sought-after way of advertising. We undertake a field experiment that compares incentive mechanisms for encouraging social media shares to support a given cause. Our experiment takes place on a website set up to promote a fundraising drive...

In this paper we analyze the impact of a randomized information package on the understanding and uptake of community based health insurance. The information package consists of a detailed brochure which is distributed to households through home visits, a video also presented in people's homes...

Loss aversion, the fact that losses have a greater impact than gains, is a fundamental property of behavioral accounts of choice. In this paper, we suggest four possible characterizations of the relative impact of losses and gains: (1) It could be a constant, such as the much cited value of 2,...

In developing and transition economies, microlending has become an effective instrument for providing micro businesses with the necessary financial resources to launch operations. In the industrialized countries, with their highly developed banking systems, however, there has been ongoing debate...